linux-kernel - [PATCH v2 3/5] kernel/fork: use vfree() instead of vfree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 12 Apr 2017 15:49:03 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     <linux-kernel@...r.kernel.org>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        <penguin-kernel@...ove.SAKURA.ne.jp>, <mhocko@...nel.org>,
        <linux-mm@...ck.org>, <hpa@...or.com>, <chris@...is-wilson.co.uk>,
        <hch@....de>, <mingo@...e.hu>, <jszhang@...vell.com>,
        <joelaf@...gle.com>, <joaodias@...gle.com>, <willy@...radead.org>,
        <tglx@...utronix.de>, <thellstrom@...are.com>
Subject: [PATCH v2 3/5] kernel/fork: use vfree() instead of vfree_atomic() to free thread stack

vfree() can be used in any atomic context now, thus there is no point
in using vfree_atomic().
This reverts commit 0f110a9b956c ("kernel/fork: use vfree_atomic()
to free thread stack")

Signed-off-by: Andrey Ryabinin <aryabinin@...tuozzo.com>
---
 kernel/fork.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index 81347bd..e4baa21 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -259,7 +259,7 @@ static inline void free_thread_stack(struct task_struct *tsk)
 		}
 		local_irq_restore(flags);
 
-		vfree_atomic(tsk->stack);
+		vfree(tsk->stack);
 		return;
 	}
 #endif
-- 
2.10.2